🌈 Rainbow Claw

An arcade unicorn claw machine roguelite with color splashing, Balatro-style scoring combos, and FM synthesis, built for JS13kGames 2026 (theme: Unicorns and Rainbows) and the Wavedash jam category.

The entire game — custom 2D physics, procedural 1-bit pixel art with dynamic color splash, full FM donk bass & cutting PWM synth audio engine, shop upgrades, and Wavedash leaderboard integration — compiles and packs into a single zip under 13,312 bytes.

Gameplay & Features

• Crane Claw Physics: Position your claw, time the drop, grab unicorns, and drop them into the prize chute.
• Rainbow Color Splash: Rescued unicorns burst monochrome pixels into vivid spectrum colors.
• Balatro-Style Combos: Score multipliers for Unicorn Pairs, Rainbow Flush, Full Stable, Prism Royal, and more.
• Daily Quotas & Shop: Beat escalating daily rent quotas and purchase claw buffs, magnetism, rainbow lasers, and speed boosts between shifts.
• Synthesizer & Audio Engine: Custom multi-oscillator synth featuring FM donk bass, duty-modulated PWM leads, arpeggios, and responsive SFX.
• Wavedash SDK Integration: Real-time leaderboard submission and high score persistence.

Controls

• Left / Right / A / D: Move claw left and right
• Down / S / Space / Tap: Drop claw / Activate shop purchase
• M: Mute / unmute audio
• Escape: Pause / Title menu

Development

npm install
npm run dev

Build the distribution bundle and pack with Roadroller:

npm run build

Run and push to Wavedash:

npm run wavedash:dev    # Local Wavedash SDK preview
npm run wavedash:push   # Build & push release to Wavedash

Size Budget

Built with esbuild, terser, and roadroller. Total zip payload strictly adheres to the JS13k limit of 13,312 bytes.

License

MIT License / JS13kGames 2026.